Home / 1,025,170.38-1,537,179.66-425,728.26

Finding the Fourth Proportional to 1,025,170.38, 1,537,179.66 and 425,728.26

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Solution

The fourth proportional to 1,025,170.38, 1,537,179.66 and 425,728.26 is: 638,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,170.38 : 1,537,179.66 = 425,728.26 : x
  2. Step 2: Convert to fraction form
    1,025,170.38/1,537,179.66 = 425,728.26/x
  3. Step 3: Cross multiply
    1,025,170.38x = 1,537,179.66 × 425,728.26
  4. Step 4: Simplify right side
    1,025,170.38x = 654,420,821,959.19
  5. Step 5: Solve for x
    x = 654,420,821,959.19/1,025,170.38
  6. Step 6: Final answer
    x = 638,353.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.